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Jaunty Netbook Remix: Improved battery life?

Posted by anjilslaire on May 1, 2009


It’s been approxmately a week since  I’ve installed the 9.04 UNR on the Mini 9. I did a completely clean install, backing up my longtime /home partition and formatting both / and /home as Ext4, just so I can see what all the fuss is about.

I got the 9.04 .img file and installed the Ubuntu Image Writer, put it on my trusty 4gig USB flashdrive and booted up.

The install went smoothly, as usual. A little snazzier menus, but generally the same, except for picking Ext4.

After install,  I re-applied  my /home files, disabled Maximus (I hate the auto-maximizing of everything) made a few tweaks and rebooted.
At first, it seemed like I was getting much poorer battery life than under 8.10, to the tune of at least an hour. Previously, I was getting about 3:15. Now with this new release, it was reporting exactly 2:00 exactly for battery life.

Not good. At all.

However, after reading up a bit, I let the netbook drain completely, to the point the system does it’s own graceful shutdown as the battery shuts down. That’s a neat feature, by the way. With only a minute or to, and a warning as well, Ubuntu will do a full shutdown process, so you’re not stuck with an abruptly-dead machine and potentially corrupt files. After it was dead, I plugged it back in and let it charge overnight.

This morning I powered it back on and set it to running a few typical tasks, to prevent th machine from going to sleep and let it drain again from a full charge. While the power manager is not accurate for duration ( it initially reported 2:30 this time around) just before  going dead again i ran ‘uptime’ and was informed the system has been powered on for nearly 3:30 on its own battery.
Very impressive for my needs, and on a 4 cell battery.

In other news, 9.04 boots *very* fast. Haven’t timed it, but much quicker than 8.10.


2 Responses to “Jaunty Netbook Remix: Improved battery life?”

  1. Noob Book said

    OMG ! Cool Information. Somebody know why people love netbook more than notebook?

  2. Netbook Your blog is so informative ? keep up the good work!!!!

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